def init_view(self):
"""
Initialize those UI components that are common to all subclasses of
SoftwarePane. Note that this method is intended to be called by
the subclass itself at the start of its own init_view() implementation.
"""
# common UI elements (applist and appdetails)
# its the job of the Child class to put it into a good location
# list
self.box_app_list = Gtk.VBox()
# search aid
self.search_aid = SearchAid(self)
self.box_app_list.pack_start(self.search_aid, False, False, 0)
self.app_view = AppView(self.db, self.cache,
self.icons, self.show_ratings)
self.app_view.sort_methods_combobox.connect(
"changed",
self.on_app_view_sort_method_changed)
self.init_atk_name(self.app_view, "app_view")
self.box_app_list.pack_start(self.app_view, True, True, 0)
self.app_view.connect("application-selected",
self.on_application_selected)
self.app_view.connect("application-activated",
self.on_application_activated)
# details
self.scroll_details = Gtk.ScrolledWindow()
self.scroll_details.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
self.app_details_view = AppDetailsView(self.db,
self.distro,
self.icons,
self.cache,
self.datadir,
self)
self.scroll_details.add(self.app_details_view)
# when the cache changes, refresh the app list
self.cache.connect("cache-ready", self.on_cache_ready)
# aptdaemon
self.backend.connect("transaction-started", self.on_transaction_started)
self.backend.connect("transaction-finished", self.on_transaction_finished)
self.backend.connect("transaction-stopped", self.on_transaction_stopped)
# connect signals
self.connect("app-list-changed", self.on_app_list_changed)
# db reopen
if self.db:
self.db.connect("reopen", self.on_db_reopen)
def init_view(self):
"""
Initialize those UI components that are common to all subclasses of
SoftwarePane. Note that this method is intended to be called by
the subclass itself at the start of its own init_view() implementation.
"""
# common UI elements (applist and appdetails)
# its the job of the Child class to put it into a good location
# list
self.box_app_list = Gtk.VBox()
# search aid
self.search_aid = SearchAid(self)
self.box_app_list.pack_start(self.search_aid, False, False, 0)
self.app_view = AppView(self.db, self.cache,
self.icons, self.show_ratings)
self.app_view.connect("sort-method-changed", self.on_app_view_sort_method_changed)
self.init_atk_name(self.app_view, "app_view")
self.box_app_list.pack_start(self.app_view, True, True, 0)
self.app_view.connect("application-selected",
self.on_application_selected)
self.app_view.connect("application-activated",
self.on_application_activated)
# details
self.scroll_details = Gtk.ScrolledWindow()
self.scroll_details.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
self.app_details_view = AppDetailsView(self.db,
self.distro,
self.icons,
self.cache,
self.datadir,
self)
self.scroll_details.add(self.app_details_view)
# when the cache changes, refresh the app list
self.cache.connect("cache-ready", self.on_cache_ready)
# aptdaemon
self.backend.connect("transaction-started", self.on_transaction_started)
self.backend.connect("transaction-finished", self.on_transaction_finished)
self.backend.connect("transaction-stopped", self.on_transaction_stopped)
# connect signals
self.connect("app-list-changed", self.on_app_list_changed)
# db reopen
if self.db:
self.db.connect("reopen", self.on_db_reopen)
class SoftwarePane(Gtk.VBox, BasePane):
""" Common base class for AvailablePane and InstalledPane"""
class Pages:
NAMES = ('appview', 'details', 'spinner')
APPVIEW = 0
DETAILS = 1
SPINNER = 2
__gsignals__ = {
"app-list-changed" : (GObject.SignalFlags.RUN_LAST,
None,
(int,),
),
}
PADDING = 6
def __init__(self, cache, db, distro, icons, datadir, show_ratings=True):
Gtk.VBox.__init__(self)
BasePane.__init__(self)
# other classes we need
self.enquirer = AppEnquire(cache, db)
self._query_complete_handler = self.enquirer.connect(
"query-complete", self.on_query_complete)
self.cache = cache
self.db = db
self.distro = distro
self.icons = icons
self.datadir = datadir
self.show_ratings = show_ratings
self.backend = get_install_backend()
self.nonapps_visible = NonAppVisibility.MAYBE_VISIBLE
# refreshes can happen out-of-bound so we need to be sure
# that we only set the new model (when its available) if
# the refresh_seq_nr of the ready model matches that of the
# request (e.g. people click on ubuntu channel, get impatient, click
# on partner channel)
self.refresh_seq_nr = 0
# keep track of applications that are candidates to be added
# to the Unity launcher
self.unity_launcher_items = {}
# this should be initialized
self.apps_search_term = ""
# Create the basic frame for the common view
self.state = DisplayState()
vm = get_viewmanager()
self.searchentry = vm.get_global_searchentry()
self.back_forward = vm.get_global_backforward()
# a notebook below
self.notebook = Gtk.Notebook()
if not "SOFTWARE_CENTER_DEBUG_TABS" in os.environ:
self.notebook.set_show_tabs(False)
self.notebook.set_show_border(False)
# an empty notebook, where the details view will eventually go
self.details_notebook = Gtk.Notebook()
self.details_notebook.set_show_border(False)
# make a spinner view to display while the applist is loading
self.spinner_view = SpinnerView()
self.spinner_notebook = Gtk.Notebook()
self.spinner_notebook.set_show_tabs(False)
self.spinner_notebook.set_show_border(False)
self.spinner_notebook.append_page(self.notebook, None)
self.spinner_notebook.append_page(self.details_notebook, None)
self.spinner_notebook.append_page(self.spinner_view, None)
self.pack_start(self.spinner_notebook, True, True, 0)
# add a bar at the bottom (hidden by default) for contextual actions
self.action_bar = ActionBar()
self.pack_start(self.action_bar, False, True, 0)
# cursor
self.busy_cursor = Gdk.Cursor.new(Gdk.CursorType.WATCH)
# views to be created in init_view
self.app_view = None
self.app_details_view = None
def init_view(self):
"""
Initialize those UI components that are common to all subclasses of
SoftwarePane. Note that this method is intended to be called by
the subclass itself at the start of its own init_view() implementation.
"""
# common UI elements (applist and appdetails)
# its the job of the Child class to put it into a good location
# list
self.box_app_list = Gtk.VBox()
# search aid
self.search_aid = SearchAid(self)
self.box_app_list.pack_start(self.search_aid, False, False, 0)
self.app_view = AppView(self.db, self.cache,
self.icons, self.show_ratings)
self.app_view.sort_methods_combobox.connect(
"changed",
self.on_app_view_sort_method_changed)
self.init_atk_name(self.app_view, "app_view")
self.box_app_list.pack_start(self.app_view, True, True, 0)
self.app_view.connect("application-selected",
self.on_application_selected)
self.app_view.connect("application-activated",
self.on_application_activated)
# details
self.scroll_details = Gtk.ScrolledWindow()
self.scroll_details.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
self.app_details_view = AppDetailsView(self.db,
self.distro,
self.icons,
self.cache,
self.datadir,
self)
self.scroll_details.add(self.app_details_view)
# when the cache changes, refresh the app list
self.cache.connect("cache-ready", self.on_cache_ready)
# aptdaemon
self.backend.connect("transaction-started", self.on_transaction_started)
self.backend.connect("transaction-finished", self.on_transaction_finished)
self.backend.connect("transaction-stopped", self.on_transaction_stopped)
# connect signals
self.connect("app-list-changed", self.on_app_list_changed)
# db reopen
if self.db:
self.db.connect("reopen", self.on_db_reopen)
def init_atk_name(self, widget, name):
""" init the atk name for a given gtk widget based on parent-pane
and variable name (used for the mago tests)
"""
name = self.__class__.__name__ + "." + name
Atk.Object.set_name(widget.get_accessible(), name)
def on_cache_ready(self, cache):
" refresh the application list when the cache is re-opened "
LOG.debug("on_cache_ready")
# it only makes sense to refresh if there is something to
# refresh, otherwise we create a bunch of (not yet needed)
# AppStore objects on startup when the cache sends its
# initial "cache-ready" signal
model = self.app_view.tree_view.get_model()
if model is None:
return
# FIXME: preserve selection too
self.refresh_apps()
@wait_for_apt_cache_ready
def on_application_activated(self, appview, app):
"""callback when an app is clicked"""
LOG.debug("on_application_activated: '%s'" % app)
self.state.application = app
vm = get_viewmanager()
vm.display_page(self, SoftwarePane.Pages.DETAILS, self.state, self.display_details_page)
def show_app(self, app):
self.on_application_activated(None, app)
def on_nav_back_clicked(self, widget):
vm = get_viewmanager()
vm.nav_back()
def on_nav_forward_clicked(self, widget):
vm = get_viewmanager()
vm.nav_forward()
def on_transaction_started(self, backend, pkgname, appname, trans_id,
trans_type):
self._register_unity_launcher_transaction_started(
backend, pkgname, appname, trans_id, trans_type)
def _get_onscreen_icon_details_for_launcher_service(self, app):
if self.is_app_details_view_showing():
return self.app_details_view.get_app_icon_details()
else:
# TODO: implement the app list view case once it has been specified
return (0, 0, 0)
def _register_unity_launcher_transaction_started(self, backend, pkgname,
appname, trans_id,
trans_type):
# mvo: use use softwarecenter.utils explictely so that we can monkey
# patch it in the test
if not softwarecenter.utils.is_unity_running():
return
# add to launcher only applies in the details view currently
if not self.is_app_details_view_showing():
return
# we only care about getting the launcher information on an install
if not trans_type == TransactionTypes.INSTALL:
if pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
return
# gather details for this transaction and create the launcher_info object
app = Application(pkgname=pkgname, appname=appname)
appdetails = app.get_details(self.db)
(icon_size, icon_x, icon_y) = self._get_onscreen_icon_details_for_launcher_service(app)
launcher_info = UnityLauncherInfo(app.name,
appdetails.icon,
"", # we set the icon_file_path value *after* install
icon_x,
icon_y,
icon_size,
appdetails.desktop_file,
"", # we set the installed_desktop_file_path *after* install
trans_id)
self.unity_launcher_items[app.pkgname] = launcher_info
self.show_add_to_launcher_panel(backend, pkgname, appname, app, appdetails, trans_id, trans_type)
def show_add_to_launcher_panel(self, backend, pkgname, appname, app, appdetails, trans_id, trans_type):
"""
if Unity is currently running, display a panel to allow the user
the choose whether to add a newly-installed application to the
launcher
"""
# TODO: handle local deb install case
# TODO: implement the list view case (once it is specified)
# only show the panel if unity is running and this is a package install
#
# we only show the prompt for apps with a desktop file
if not appdetails.desktop_file:
return
# do not add apps without a exec line (like wine, see #848437)
if (os.path.exists(appdetails.desktop_file) and
is_no_display_desktop_file(appdetails.desktop_file)):
return
self.action_bar.add_button(ActionButtons.CANCEL_ADD_TO_LAUNCHER,
_("Not Now"),
self.on_cancel_add_to_launcher,
pkgname)
self.action_bar.add_button(ActionButtons.ADD_TO_LAUNCHER,
_("Add to Launcher"),
self.on_add_to_launcher,
pkgname,
app,
appdetails,
trans_id)
self.action_bar.set_label(utf8(_("Add %s to the launcher?")) % utf8(app.name))
def on_query_complete(self, enquirer):
self.emit("app-list-changed", len(enquirer.matches))
sort_by_relevance = (self._is_in_search_mode() and
not self.app_view.user_defined_sort_method)
self.app_view.display_matches(enquirer.matches,
sort_by_relevance)
self.hide_appview_spinner()
return
def on_app_view_sort_method_changed(self, combo):
if self.app_view.get_sort_mode() == self.enquirer.sortmode:
return
self.show_appview_spinner()
self.app_view.clear_model()
query = self.get_query()
self._refresh_apps_with_apt_cache(query)
return
def on_add_to_launcher(self, pkgname, app, appdetails, trans_id):
"""
callback indicating the user has chosen to add the indicated application
to the launcher
"""
if pkgname in self.unity_launcher_items:
launcher_info = self.unity_launcher_items[pkgname]
if launcher_info.installed_desktop_file_path:
# package install is complete, we can add to the launcher immediately
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
self._send_dbus_signal_to_unity_launcher(launcher_info)
else:
# package is not yet installed, it will be added to the launcher
# once the installation is complete
LOG.debug("the application '%s' will be added to the Unity launcher when installation is complete" % app.name)
launcher_info.add_to_launcher_requested = True
self.action_bar.set_label(_("%s will be added to the launcher when installation completes.") % app.name)
self.action_bar.remove_button(ActionButtons.CANCEL_ADD_TO_LAUNCHER)
self.action_bar.remove_button(ActionButtons.ADD_TO_LAUNCHER)
def on_cancel_add_to_launcher(self, pkgname):
if pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
def on_transaction_finished(self, backend, result):
self._check_unity_launcher_transaction_finished(result)
def _is_in_search_mode(self):
return (self.state.search_term and
len(self.state.search_term) >= 2)
def _check_unity_launcher_transaction_finished(self, result):
# add the completed transaction details to the corresponding
# launcher_item
if result.pkgname in self.unity_launcher_items:
launcher_info = self.unity_launcher_items[result.pkgname]
launcher_info.icon_file_path = get_file_path_from_iconname(
self.icons, launcher_info.icon_name)
installed_path = convert_desktop_file_to_installed_location(
launcher_info.app_install_desktop_file_path, result.pkgname)
launcher_info.installed_desktop_file_path = installed_path
# if the request to add to launcher has already been made, do it now
if launcher_info.add_to_launcher_requested:
if result.success:
self._send_dbus_signal_to_unity_launcher(launcher_info)
self.unity_launcher_items.pop(result.pkgname)
self.action_bar.clear()
def _send_dbus_signal_to_unity_launcher(self, launcher_info):
LOG.debug("sending dbus signal to Unity launcher for application: ", launcher_info.name)
LOG.debug(" launcher_info.icon_file_path: ", launcher_info.icon_file_path)
LOG.debug(" launcher_info.installed_desktop_file_path: ", launcher_info.installed_desktop_file_path)
LOG.debug(" launcher_info.trans_id: ", launcher_info.trans_id)
try:
bus = dbus.SessionBus()
launcher_obj = bus.get_object('com.canonical.Unity.Launcher',
'/com/canonical/Unity/Launcher')
launcher_iface = dbus.Interface(launcher_obj, 'com.canonical.Unity.Launcher')
launcher_iface.AddLauncherItemFromPosition(launcher_info.name,
launcher_info.icon_file_path,
launcher_info.icon_x,
launcher_info.icon_y,
launcher_info.icon_size,
launcher_info.installed_desktop_file_path,
launcher_info.trans_id)
except Exception as e:
LOG.warn("could not send dbus signal to the Unity launcher: (%s)", e)
def on_transaction_stopped(self, backend, result):
if result.pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(result.pkgname)
self.action_bar.clear()
def show_appview_spinner(self):
""" display the spinner in the appview panel """
if not self.state.search_term:
self.action_bar.clear()
self.spinner_view.stop()
self.spinner_notebook.set_current_page(SoftwarePane.Pages.SPINNER)
# "mask" the spinner view momentarily to prevent it from flashing into
# view in the case of short delays where it isn't actually needed
GObject.timeout_add(100, self._unmask_appview_spinner)
def _unmask_appview_spinner(self):
self.spinner_view.start()
return False
def hide_appview_spinner(self):
""" hide the spinner and display the appview in the panel """
self.spinner_notebook.set_current_page(
SoftwarePane.Pages.APPVIEW)
self.spinner_view.stop()
def set_section(self, section):
self.section = section
self.app_details_view.set_section(section)
return
def section_sync(self):
self.app_details_view.set_section(self.section)
return
def on_app_list_changed(self, pane, length):
"""internal helper that keeps the the action bar up-to-date by
keeping track of the app-list-changed signals
"""
self.show_nonapps_if_required(len(self.enquirer.matches))
self.search_aid.update_search_help(self.state)
return
def hide_nonapps(self):
""" hide non-applications control in the action bar """
self.action_bar.unset_label()
return
def show_nonapps_if_required(self, length):
"""
update the state of the show/hide non-applications control
in the action_bar
"""
enquirer = self.enquirer
n_apps = enquirer.nr_apps
n_pkgs = enquirer.nr_pkgs
# calculate the number of apps/pkgs
if enquirer.limit > 0 and enquirer.limit < n_pkgs:
n_apps = min(enquirer.limit, n_apps)
n_pkgs = min(enquirer.limit - n_apps, n_pkgs)
if not (n_apps and n_pkgs):
self.hide_nonapps()
return
LOG.debug("nonapps_visible value=%s (always visible: %s)" % (
self.nonapps_visible,
self.nonapps_visible == NonAppVisibility.ALWAYS_VISIBLE))
self.action_bar.unset_label()
if self.nonapps_visible == NonAppVisibility.ALWAYS_VISIBLE:
LOG.debug('non-apps-ALWAYS-visible')
# TRANSLATORS: the text inbetween the underscores acts as a link
# In most/all languages you will want the whole string as a link
label = gettext.ngettext("_Hide %(amount)i technical item_",
"_Hide %(amount)i technical items_",
n_pkgs) % { 'amount': n_pkgs, }
self.action_bar.set_label(
label, link_result=self._hide_nonapp_pkgs)
else:
label = gettext.ngettext("_Show %(amount)i technical item_",
"_Show %(amount)i technical items_",
n_pkgs) % { 'amount': n_pkgs, }
self.action_bar.set_label(
label, link_result=self._show_nonapp_pkgs)
def _on_label_app_list_header_activate_link(self, link, uri):
#print "actiavte: ", link, uri
if uri.startswith("search:"):
self.searchentry.set_text(uri[len("search:"):])
elif uri.startswith("search-all:"):
self.unset_current_category()
self.refresh_apps()
elif uri.startswith("search-parent:"):
self.apps_subcategory = None;
self.refresh_apps()
elif uri.startswith("search-unsupported:"):
self.apps_filter.set_supported_only(False)
self.refresh_apps()
# FIXME: add ability to remove categories restriction here
# True stops event propergation
return True
def _show_nonapp_pkgs(self):
self.nonapps_visible = NonAppVisibility.ALWAYS_VISIBLE
self.refresh_apps()
def _hide_nonapp_pkgs(self):
self.nonapps_visible = NonAppVisibility.MAYBE_VISIBLE
self.refresh_apps()
def get_query(self):
channel_query = None
#name = self.pane_name
if self.channel:
channel_query = self.channel.query
#name = self.channel.display_name
# search terms
if self.apps_search_term:
query = self.db.get_query_list_from_search_entry(
self.apps_search_term, channel_query)
return query
# overview list
# if we are in a channel, limit to that
if channel_query:
return channel_query
# ... otherwise show all
return xapian.Query("")
def refresh_apps(self, query=None):
"""refresh the applist and update the navigation bar """
LOG.debug("refresh_apps")
# FIXME: make this available for all panes
if query is None:
query = self.get_query()
self.app_view.clear_model()
self.search_aid.reset()
self.show_appview_spinner()
self._refresh_apps_with_apt_cache(query)
def quick_query(self, query):
# a blocking query and does not emit "query-complete"
with ExecutionTime("enquirer.set_query() quick query"):
self.enquirer.set_query(
query,
limit=self.get_app_items_limit(),
nonapps_visible=self.nonapps_visible,
nonblocking_load=False,
filter=self.state.filter)
return len(self.enquirer.matches)
@wait_for_apt_cache_ready
def _refresh_apps_with_apt_cache(self, query):
LOG.debug("softwarepane query: %s" % query)
# a nonblocking query calls on_query_complete once finished
with ExecutionTime("enquirer.set_query()"):
self.enquirer.set_query(
query,
limit=self.get_app_items_limit(),
sortmode=self.get_sort_mode(),
exact=self.is_custom_list(),
nonapps_visible=self.nonapps_visible,
filter=self.state.filter)
return
def display_details_page(self, page, view_state):
self.app_details_view.show_app(view_state.application)
self.action_bar.unset_label()
return True
def is_custom_list(self):
return self.apps_search_term and ',' in self.apps_search_term
def get_current_page(self):
return self.notebook.get_current_page()
def get_app_items_limit(self):
if self.state.search_term:
return DEFAULT_SEARCH_LIMIT
elif self.state.subcategory and self.state.subcategory.item_limit > 0:
return self.state.subcategory.item_limit
elif self.state.category and self.state.category.item_limit > 0:
return self.state.category.item_limit
return 0
def get_sort_mode(self):
# if the category sets a custom sort order, that wins, this
# is required for top-rated and whats-new
if (self.state.category and
self.state.category.sortmode != SortMethods.BY_ALPHABET):
return self.state.category.sortmode
# searches are always by ranking unless the user decided differently
if (self._is_in_search_mode() and
not self.app_view.user_defined_sort_method):
return SortMethods.BY_SEARCH_RANKING
# use the appview combo
return self.app_view.get_sort_mode()
def on_search_terms_changed(self, terms):
" stub implementation "
pass
def on_db_reopen(self):
" stub implementation "
pass
def is_category_view_showing(self):
" stub implementation "
pass
def is_applist_view_showing(self):
" stub implementation "
pass
def is_app_details_view_showing(self):
" stub implementation "
pass
def get_current_app(self):
" stub implementation "
pass
def on_application_selected(self, widget, app):
" stub implementation "
pass
def get_current_category(self):
" stub implementation "
pass
def unset_current_category(self):
" stub implementation "
pass
class SoftwarePane(Gtk.VBox, BasePane):
""" Common base class for AvailablePane and InstalledPane"""
class Pages:
NAMES = ('appview', 'details', 'spinner')
APPVIEW = 0
DETAILS = 1
SPINNER = 2
__gsignals__ = {
"app-list-changed" : (GObject.SignalFlags.RUN_LAST,
None,
(int,),
),
}
PADDING = 6
def __init__(self, cache, db, distro, icons, datadir, show_ratings=True):
Gtk.VBox.__init__(self)
BasePane.__init__(self)
# other classes we need
self.enquirer = AppEnquire(cache, db)
self._query_complete_handler = self.enquirer.connect(
"query-complete", self.on_query_complete)
self.cache = cache
self.db = db
self.distro = distro
self.icons = icons
self.datadir = datadir
self.show_ratings = show_ratings
self.backend = get_install_backend()
self.nonapps_visible = NonAppVisibility.MAYBE_VISIBLE
# refreshes can happen out-of-bound so we need to be sure
# that we only set the new model (when its available) if
# the refresh_seq_nr of the ready model matches that of the
# request (e.g. people click on ubuntu channel, get impatient, click
# on partner channel)
self.refresh_seq_nr = 0
# keep track of applications that are candidates to be added
# to the Unity launcher
self.unity_launcher_items = {}
# this should be initialized
self.apps_search_term = ""
# Create the basic frame for the common view
self.state = DisplayState()
vm = get_viewmanager()
self.searchentry = vm.get_global_searchentry()
self.back_forward = vm.get_global_backforward()
# a notebook below
self.notebook = Gtk.Notebook()
if not "SOFTWARE_CENTER_DEBUG_TABS" in os.environ:
self.notebook.set_show_tabs(False)
self.notebook.set_show_border(False)
# an empty notebook, where the details view will eventually go
self.details_notebook = Gtk.Notebook()
self.details_notebook.set_show_border(False)
# make a spinner view to display while the applist is loading
self.spinner_view = SpinnerView()
self.spinner_notebook = Gtk.Notebook()
self.spinner_notebook.set_show_tabs(False)
self.spinner_notebook.set_show_border(False)
self.spinner_notebook.append_page(self.notebook, None)
self.spinner_notebook.append_page(self.details_notebook, None)
self.spinner_notebook.append_page(self.spinner_view, None)
self.pack_start(self.spinner_notebook, True, True, 0)
# add a bar at the bottom (hidden by default) for contextual actions
self.action_bar = ActionBar()
self.pack_start(self.action_bar, False, True, 0)
# cursor
self.busy_cursor = Gdk.Cursor.new(Gdk.CursorType.WATCH)
# views to be created in init_view
self.app_view = None
self.app_details_view = None
def init_view(self):
"""
Initialize those UI components that are common to all subclasses of
SoftwarePane. Note that this method is intended to be called by
the subclass itself at the start of its own init_view() implementation.
"""
# common UI elements (applist and appdetails)
# its the job of the Child class to put it into a good location
# list
self.box_app_list = Gtk.VBox()
# search aid
self.search_aid = SearchAid(self)
self.box_app_list.pack_start(self.search_aid, False, False, 0)
self.app_view = AppView(self.db, self.cache,
self.icons, self.show_ratings)
self.app_view.connect("sort-method-changed", self.on_app_view_sort_method_changed)
self.init_atk_name(self.app_view, "app_view")
self.box_app_list.pack_start(self.app_view, True, True, 0)
self.app_view.connect("application-selected",
self.on_application_selected)
self.app_view.connect("application-activated",
self.on_application_activated)
# details
self.scroll_details = Gtk.ScrolledWindow()
self.scroll_details.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
self.app_details_view = AppDetailsView(self.db,
self.distro,
self.icons,
self.cache,
self.datadir,
self)
self.scroll_details.add(self.app_details_view)
# when the cache changes, refresh the app list
self.cache.connect("cache-ready", self.on_cache_ready)
# aptdaemon
self.backend.connect("transaction-started", self.on_transaction_started)
self.backend.connect("transaction-finished", self.on_transaction_finished)
self.backend.connect("transaction-stopped", self.on_transaction_stopped)
# connect signals
self.connect("app-list-changed", self.on_app_list_changed)
# db reopen
if self.db:
self.db.connect("reopen", self.on_db_reopen)
def init_atk_name(self, widget, name):
""" init the atk name for a given gtk widget based on parent-pane
and variable name (used for the mago tests)
"""
name = self.__class__.__name__ + "." + name
Atk.Object.set_name(widget.get_accessible(), name)
def on_cache_ready(self, cache):
" refresh the application list when the cache is re-opened "
LOG.debug("on_cache_ready")
# it only makes sense to refresh if there is something to
# refresh, otherwise we create a bunch of (not yet needed)
# AppStore objects on startup when the cache sends its
# initial "cache-ready" signal
model = self.app_view.tree_view.get_model()
if model is None:
return
# FIXME: preserve selection too
self.refresh_apps()
@wait_for_apt_cache_ready
def on_application_activated(self, appview, app):
"""callback when an app is clicked"""
LOG.debug("on_application_activated: '%s'" % app)
self.state.application = app
vm = get_viewmanager()
vm.display_page(self, SoftwarePane.Pages.DETAILS, self.state, self.display_details_page)
def show_app(self, app):
self.on_application_activated(None, app)
def on_nav_back_clicked(self, widget):
vm = get_viewmanager()
vm.nav_back()
def on_nav_forward_clicked(self, widget):
vm = get_viewmanager()
vm.nav_forward()
def on_transaction_started(self, backend, pkgname, appname, trans_id,
trans_type):
self._register_unity_launcher_transaction_started(
backend, pkgname, appname, trans_id, trans_type)
def _get_onscreen_icon_details_for_launcher_service(self, app):
if self.is_app_details_view_showing():
return self.app_details_view.get_app_icon_details()
else:
# TODO: implement the app list view case once it has been specified
return (0, 0, 0)
def _register_unity_launcher_transaction_started(self, backend, pkgname,
appname, trans_id,
trans_type):
# mvo: use use softwarecenter.utils explictely so that we can monkey
# patch it in the test
if not softwarecenter.utils.is_unity_running():
return
# add to launcher only applies in the details view currently
if not self.is_app_details_view_showing():
return
# we only care about getting the launcher information on an install
if not trans_type == TransactionTypes.INSTALL:
if pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
return
# gather details for this transaction and create the launcher_info object
app = Application(pkgname=pkgname, appname=appname)
appdetails = app.get_details(self.db)
(icon_size, icon_x, icon_y) = self._get_onscreen_icon_details_for_launcher_service(app)
launcher_info = UnityLauncherInfo(app.name,
appdetails.icon,
"", # we set the icon_file_path value *after* install
icon_x,
icon_y,
icon_size,
appdetails.desktop_file,
"", # we set the installed_desktop_file_path *after* install
trans_id)
self.unity_launcher_items[app.pkgname] = launcher_info
self.show_add_to_launcher_panel(backend, pkgname, appname, app, appdetails, trans_id, trans_type)
def show_add_to_launcher_panel(self, backend, pkgname, appname, app, appdetails, trans_id, trans_type):
"""
if Unity is currently running, display a panel to allow the user
the choose whether to add a newly-installed application to the
launcher
"""
# TODO: handle local deb install case
# TODO: implement the list view case (once it is specified)
# only show the panel if unity is running and this is a package install
#
# we only show the prompt for apps with a desktop file
if not appdetails.desktop_file:
return
# do not add apps without a exec line (like wine, see #848437)
if (os.path.exists(appdetails.desktop_file) and
is_no_display_desktop_file(appdetails.desktop_file)):
return
self.action_bar.add_button(ActionButtons.CANCEL_ADD_TO_LAUNCHER,
_("Not Now"),
self.on_cancel_add_to_launcher,
pkgname)
self.action_bar.add_button(ActionButtons.ADD_TO_LAUNCHER,
_("Add to Launcher"),
self.on_add_to_launcher,
pkgname,
app,
appdetails,
trans_id)
self.action_bar.set_label(utf8(_("Add %s to the launcher?")) % utf8(app.name))
def on_query_complete(self, enquirer):
self.emit("app-list-changed", len(enquirer.matches))
self.app_view.display_matches(enquirer.matches,
self._is_in_search_mode())
self.hide_appview_spinner()
return
def on_app_view_sort_method_changed(self, app_view, combo):
if app_view.get_sort_mode() == self.enquirer.sortmode:
return
self.show_appview_spinner()
app_view.clear_model()
query = self.get_query()
self._refresh_apps_with_apt_cache(query)
return
def on_add_to_launcher(self, pkgname, app, appdetails, trans_id):
"""
callback indicating the user has chosen to add the indicated application
to the launcher
"""
if pkgname in self.unity_launcher_items:
launcher_info = self.unity_launcher_items[pkgname]
if launcher_info.installed_desktop_file_path:
# package install is complete, we can add to the launcher immediately
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
self._send_dbus_signal_to_unity_launcher(launcher_info)
else:
# package is not yet installed, it will be added to the launcher
# once the installation is complete
LOG.debug("the application '%s' will be added to the Unity launcher when installation is complete" % app.name)
launcher_info.add_to_launcher_requested = True
self.action_bar.set_label(_("%s will be added to the launcher when installation completes.") % app.name)
self.action_bar.remove_button(ActionButtons.CANCEL_ADD_TO_LAUNCHER)
self.action_bar.remove_button(ActionButtons.ADD_TO_LAUNCHER)
def on_cancel_add_to_launcher(self, pkgname):
if pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
def on_transaction_finished(self, backend, result):
self._check_unity_launcher_transaction_finished(result)
def _is_in_search_mode(self):
return (self.state.search_term and
len(self.state.search_term) >= 2)
def _check_unity_launcher_transaction_finished(self, result):
# add the completed transaction details to the corresponding
# launcher_item
if result.pkgname in self.unity_launcher_items:
launcher_info = self.unity_launcher_items[result.pkgname]
launcher_info.icon_file_path = get_file_path_from_iconname(
self.icons, launcher_info.icon_name)
installed_path = convert_desktop_file_to_installed_location(
launcher_info.app_install_desktop_file_path, result.pkgname)
launcher_info.installed_desktop_file_path = installed_path
# if the request to add to launcher has already been made, do it now
if launcher_info.add_to_launcher_requested:
if result.success:
self._send_dbus_signal_to_unity_launcher(launcher_info)
self.unity_launcher_items.pop(result.pkgname)
self.action_bar.clear()
def _send_dbus_signal_to_unity_launcher(self, launcher_info):
LOG.debug("sending dbus signal to Unity launcher for application: ", launcher_info.name)
LOG.debug(" launcher_info.icon_file_path: ", launcher_info.icon_file_path)
LOG.debug(" launcher_info.installed_desktop_file_path: ", launcher_info.installed_desktop_file_path)
LOG.debug(" launcher_info.trans_id: ", launcher_info.trans_id)
try:
bus = dbus.SessionBus()
launcher_obj = bus.get_object('com.canonical.Unity.Launcher',
'/com/canonical/Unity/Launcher')
launcher_iface = dbus.Interface(launcher_obj, 'com.canonical.Unity.Launcher')
launcher_iface.AddLauncherItemFromPosition(launcher_info.name,
launcher_info.icon_file_path,
launcher_info.icon_x,
launcher_info.icon_y,
launcher_info.icon_size,
launcher_info.installed_desktop_file_path,
launcher_info.trans_id)
except Exception as e:
LOG.warn("could not send dbus signal to the Unity launcher: (%s)", e)
def on_transaction_stopped(self, backend, result):
if result.pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(result.pkgname)
self.action_bar.clear()
def show_appview_spinner(self):
""" display the spinner in the appview panel """
if not self.state.search_term:
self.action_bar.clear()
self.spinner_view.stop()
self.spinner_notebook.set_current_page(SoftwarePane.Pages.SPINNER)
# "mask" the spinner view momentarily to prevent it from flashing into
# view in the case of short delays where it isn't actually needed
GObject.timeout_add(100, self._unmask_appview_spinner)
def _unmask_appview_spinner(self):
self.spinner_view.start()
return False
def hide_appview_spinner(self):
""" hide the spinner and display the appview in the panel """
self.spinner_notebook.set_current_page(
SoftwarePane.Pages.APPVIEW)
self.spinner_view.stop()
def set_section(self, section):
self.section = section
self.app_details_view.set_section(section)
return
def section_sync(self):
self.app_details_view.set_section(self.section)
return
def on_app_list_changed(self, pane, length):
"""internal helper that keeps the the action bar up-to-date by
keeping track of the app-list-changed signals
"""
self.show_nonapps_if_required(len(self.enquirer.matches))
self.search_aid.update_search_help(self.state)
return
def hide_nonapps(self):
""" hide non-applications control in the action bar """
self.action_bar.unset_label()
return
def show_nonapps_if_required(self, length):
"""
update the state of the show/hide non-applications control
in the action_bar
"""
enquirer = self.enquirer
n_apps = enquirer.nr_apps
n_pkgs = enquirer.nr_pkgs
# calculate the number of apps/pkgs
if enquirer.limit > 0 and enquirer.limit < n_pkgs:
n_apps = min(enquirer.limit, n_apps)
n_pkgs = min(enquirer.limit - n_apps, n_pkgs)
if not (n_apps and n_pkgs):
self.hide_nonapps()
return
LOG.debug("nonapps_visible value=%s (always visible: %s)" % (
self.nonapps_visible,
self.nonapps_visible == NonAppVisibility.ALWAYS_VISIBLE))
self.action_bar.unset_label()
if self.nonapps_visible == NonAppVisibility.ALWAYS_VISIBLE:
LOG.debug('non-apps-ALWAYS-visible')
# TRANSLATORS: the text inbetween the underscores acts as a link
# In most/all languages you will want the whole string as a link
label = gettext.ngettext("_Hide %(amount)i technical item_",
"_Hide %(amount)i technical items_",
n_pkgs) % { 'amount': n_pkgs, }
self.action_bar.set_label(
label, link_result=self._hide_nonapp_pkgs)
else:
label = gettext.ngettext("_Show %(amount)i technical item_",
"_Show %(amount)i technical items_",
n_pkgs) % { 'amount': n_pkgs, }
self.action_bar.set_label(
label, link_result=self._show_nonapp_pkgs)
def _on_label_app_list_header_activate_link(self, link, uri):
#print "actiavte: ", link, uri
if uri.startswith("search:"):
self.searchentry.set_text(uri[len("search:"):])
elif uri.startswith("search-all:"):
self.unset_current_category()
self.refresh_apps()
elif uri.startswith("search-parent:"):
self.apps_subcategory = None;
self.refresh_apps()
elif uri.startswith("search-unsupported:"):
self.apps_filter.set_supported_only(False)
self.refresh_apps()
# FIXME: add ability to remove categories restriction here
# True stops event propergation
return True
def _show_nonapp_pkgs(self):
self.nonapps_visible = NonAppVisibility.ALWAYS_VISIBLE
self.refresh_apps()
def _hide_nonapp_pkgs(self):
self.nonapps_visible = NonAppVisibility.MAYBE_VISIBLE
self.refresh_apps()
def get_query(self):
channel_query = None
#name = self.pane_name
if self.channel:
channel_query = self.channel.query
#name = self.channel.display_name
# search terms
if self.apps_search_term:
query = self.db.get_query_list_from_search_entry(
self.apps_search_term, channel_query)
return query
# overview list
# if we are in a channel, limit to that
if channel_query:
return channel_query
# ... otherwise show all
return xapian.Query("")
def refresh_apps(self, query=None):
"""refresh the applist and update the navigation bar """
LOG.debug("refresh_apps")
# FIXME: make this available for all panes
if query is None:
query = self.get_query()
self.app_view.clear_model()
self.search_aid.reset()
self.show_appview_spinner()
self._refresh_apps_with_apt_cache(query)
def quick_query(self, query):
# a blocking query and does not emit "query-complete"
with ExecutionTime("enquirer.set_query() quick query"):
self.enquirer.set_query(
query,
limit=self.get_app_items_limit(),
nonapps_visible=self.nonapps_visible,
nonblocking_load=False,
filter=self.state.filter)
return len(self.enquirer.matches)
@wait_for_apt_cache_ready
def _refresh_apps_with_apt_cache(self, query):
LOG.debug("softwarepane query: %s" % query)
# a nonblocking query calls on_query_complete once finished
with ExecutionTime("enquirer.set_query()"):
self.enquirer.set_query(
query,
limit=self.get_app_items_limit(),
sortmode=self.get_sort_mode(),
exact=self.is_custom_list(),
nonapps_visible=self.nonapps_visible,
filter=self.state.filter)
return
def display_details_page(self, page, view_state):
self.app_details_view.show_app(view_state.application)
self.action_bar.unset_label()
return True
def is_custom_list(self):
return self.apps_search_term and ',' in self.apps_search_term
def get_current_page(self):
return self.notebook.get_current_page()
def get_app_items_limit(self):
if self.state.search_term:
return DEFAULT_SEARCH_LIMIT
elif self.state.subcategory and self.state.subcategory.item_limit > 0:
return self.state.subcategory.item_limit
elif self.state.category and self.state.category.item_limit > 0:
return self.state.category.item_limit
return 0
def get_sort_mode(self):
# if the category sets a custom sort order, that wins, this
# is required for top-rated and whats-new
if (self.state.category and
self.state.category.sortmode != SortMethods.BY_ALPHABET):
return self.state.category.sortmode
# searches are always by ranking unless the user decided differently
if (self._is_in_search_mode() and
not self.app_view.user_defined_sort_method):
return SortMethods.BY_SEARCH_RANKING
# use the appview combo
return self.app_view.get_sort_mode()
def on_search_terms_changed(self, terms):
" stub implementation "
pass
def on_db_reopen(self):
" stub implementation "
pass
def is_category_view_showing(self):
" stub implementation "
pass
def is_applist_view_showing(self):
" stub implementation "
pass
def is_app_details_view_showing(self):
" stub implementation "
pass
def get_current_app(self):
" stub implementation "
pass
def on_application_selected(self, widget, app):
" stub implementation "
pass
def get_current_category(self):
" stub implementation "
pass
def unset_current_category(self):
" stub implementation "
pass